Question

Factorise : $x^{2} +8x+15$

Answer 1

Answer:

$(x+5)(x+3)$

Step-by-step explanation:

$x^2+8x+15=0$

$=> x(x+3)+5(x+3)$

$=>(x+5)(x+3)$

∴ $x= -5$ and $x=-3$